Continuous-sheet printing tandem electrophotography system...

Details Continuous-sheet printing tandem electrophotography system... Continuous-sheet printing tandem electrophotography system...

2009-08-18

2011-11-01

Brase, Sandra (Department: 2884)

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

C399S384000, C347S237000, C347S247000, C347S248000

Reexamination Certificate

active

08050580

ABSTRACT:
A continuous-sheet printing tandem electrophotography system for printing a continuous sheet includes first and second electrophotography units. A first size of the continuous sheet is measured before an image printed by the first electrophotography unit with a first parameter value is fused on the continuous sheet. A second size of the continuous sheet is measured after the image printed by the first electrophotography unit is fused on the continuous sheet. The second electrophotography unit then prints the continuous sheet with a second parameter value that is determined by a size difference between the first and the second sizes. The first and the second sizes include a page length and a page width of the continuous sheet. The parameter values include a print speed, a polygon mirror rotating speed, a video clock frequency, and a laser power.

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